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Error 56: The Cisco Systems, Inc. VPN Service has not been started（Cisco VPN在Vista下出现Error 56的解决办法）
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Error 56: The Cisco Systems, Inc. VPN Service has not been started（Cisco VPN在Vista下出现Error 56的解决办法）
似乎，自从我的Vista自动升级安装了SP1后，我的Cisco VPN就出现问题了，根本就无法运行。总是提示Error 56: The Cisco Systems, Inc. VPN Service has not been started. Please start this service and try again。不知道是啥问题？从控制面板→管理工具里进入服务，发现Cisco Systems, Inc. VPN Service的服务被关闭了，启动后没一分钟又自动关闭了。
肯定是与其他某个服务有冲突。一时又找不到原因。这很令人郁闷，特别是出差期间，无法连接到公司的notes处理邮件，很不方便。
这不，本周在无锡培训，不能处理工作邮件，又是件烦事。上网Google了半天，找到一篇文章：
Error 56: The Cisco Systems, Inc. VPN Service has not been started
On some systems there is this problem with Cisco VPN service:
cvpnd.exe
must be excuted before you run the
ipsecdialer.exe
( the GUI for the client ). But even if you start the service per hand in
service.msc
, it got killed in a few seconds after thus you can not run the client.
To work around this problem: Uninstall Cisco VPN in Windows Control Panel, then go to regedit and remove all the entries have
Cisco
term in them. Be careful, back up the registry with built-in export function of regedit first and do not delete somethings like “Franscisco”, ok ? Some entries can not be deleted, it’s normal, just F3 until you reach the end of the registry.
On some systems there is this problem with Cisco VPN service: cvpnd.exe must be excuted before you run the ipsecdialer.exe ( the GUI for the client ). But even if you start the service per hand in service.msc , it got killed in a few seconds after thus you can not run the client.
To work around this problem: Uninstall Cisco VPN in Windows Control Panel, then go to regedit and remove all the entries have Cisco term in them. Be careful, back up the registry with built-in export function of regedit first and do not delete somethings like “Franscisco”, ok ? Some entries can not be deleted, it’s normal, just F3 until you reach the end of the registry.
按文章里说的卸载了VPN，然后手工清除了注册表里的所有的Cisco键值，重启，重安装，再重启。咦，可以运行了。开心没多久，第二天又不行了。再次从控制面板→管理工具里进入服务，还是如前面说的那样。往下滚动了一下，看到有这么一个服务：Internet Connection Sharing (ICS). 这个服务的说明是： 为家庭和小型办公网络提供网络地址转换、寻址、名称解析和/或入侵保护服务。 试着把这个服务停止，再启动Cisco Systems, Inc. VPN Service服务。隔了一会，F5刷新一下，喔耶，没自动停止。看来干掉VPN服务的罪魁祸首就是这个ICS服务了。或者说他们的启动顺序有问题，先启动了ICS，VPN就不能启动。因为我后面测试过先关掉ICS再启动VPN，然后再开启ICS后俩个服务相安无事。
也算是瞎猫碰死耗子解决了这个问题吧。有懂的朋友看到这篇文章，欢迎留言交流。
注1：我的系统是Vista Home Basic，用的VPN是Cisco Systems VPN Client Version 5.0.02.0090
注2：我在上面提到的找到的那篇文章的留言板里的留言也叙述了本文讲到的解决方法，看来帮到了不少网友，见：http://www.lamnk.com/blog/vpn/error-56-the-cisco-systems-inc-vpn-service-has-not-been-started/，小小地得意一下！http://www.xiaowu.net/blog/post/18.html
